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195
4-3. Operating the lights and wipers
4
Driving
TUNDRA_U_17MY_OM34594U
■ Daytime running light system
● To make your vehicle more visible to other drivers during daytime driving,
the daytime running lights turn on automatically whenever the engine is
started and the parking brake is released with the headlight switch off or in
the “AUTO” position. (Illuminate brighter than the parking lights.) Daytime
running lights are not designed for use at night.
● Compared to turning on the headlights, the daytime running light system
offers greater durability and consumes less electricity, so it can help improve
fuel economy.
■ Headlight control sensor (vehicles with automatic headlight system)
■ Automatic light off system
● When the headlights come on: The headlights and tail lights turn off 30 sec-
onds after a door is opened and closed if the engine switch is turned to the
“ACC” or “LOCK” position. (The lights turn off immediately if the button
on the key is pressed after all the doors are locked.)
● When only the tail lights come on: The tail lights turn off automatically if the
engine switch is tuned to the “ACC” or “LOCK” position and the driver’s door
is opened.
Vehicles with automatic headlight system: If any of the doors is kept open, the
lights automatically turn off after 20 minutes.
To turn the lights on again, turn the engine switch to the “ON” position, or turn
the light switch off once and then back to or .
■ Light reminder buzzer
A buzzer sounds when the key is removed from the engine switch and the
driver’s door is opened while the lights are turned on.
■ Customization that can be configured at Toyota dealer
Settings (automatic light off system) can be changed.
(Customizable features: P. 543)
The sensor may not function properly if an
object is placed on the sensor, or anything
that blocks the sensor is affixed to the
windshield.
Doing so interferes with the sensor
detecting the level of ambient light and
may cause the automatic headlight sys-
tem to malfunction.
NOTICE
■ To prevent battery discharge
Do not leave the lights on longer than necessary when the engine is not
running.
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